To prevent the unnecessary loading of an air conditioning system while maintaining the designed dry bulb temperature and relative humidity in an air conditioning system, you should （）<br>A:admit only enough fresh outside air to provide proper ventilation<br>B:reduce the air reheating system load<br>C:lower the compressor head pressure<br>D:operate the purge recovery unit continuously

To prevent the unnecessary loading of an air conditioning system while maintaining the designed dry bulb temperature and relative humidity in an air conditioning system, you should （）
A:admit only enough fresh outside air to provide proper ventilation
B:reduce the air reheating system load
C:lower the compressor head pressure
D:operate the purge recovery unit continuously

出自：海船船员证

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